Re: [PATCH v5] ping: Check return value of function 'ping_queue_rcv_skb'

From: David Ahern
Date: Thu Jun 10 2021 - 23:38:07 EST


On 6/9/21 7:41 PM, Zheng Yongjun wrote:
> Function 'ping_queue_rcv_skb' not always return success, which will
> also return fail. If not check the wrong return value of it, lead to function
> `ping_rcv` return success.
>
> Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
> ---
> v2:
> - use rc as return value to make code look cleaner
> v3:
> - delete unnecessary braces {}
> v4:
> - put variable 'rc' declaration at the beginning of function
> v5:
> - don/t print unneed debuginfo in the right path
> net/ipv4/ping.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>

Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>